Grindstone Road over Cottonwood Ck
Fair Condition50 years old41 vehicles/day
Location
| State | South Dakota |
| County | Jackson |
| Location | 2w & 0.8n Cottonwood |
| Carries | Grindstone Road |
| Crosses | Cottonwood Ck |
| Coordinates | 43.97819, -101.93964 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 76.1 ft (23.2 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 213.4 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 41 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000036100012 |